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The Scientific Revolution What is a revolution? • It is a major change. Revolution A Geocentric Universe • The ancient astronomer, Ptolemy, proposed a geocentric (earth centered) universe. • This Ptolemaic System was accepted for over 1500 years. Why did the Roman Catholic Church believe in a geocentric universe? • The Bible taught that God created the earth and people. It made sense that the sun, moon, planets, and stars revolved around the earth. Who are astronomers? • Astronomers are scientists who study the motions of stars and planets. How did Copernicus change the way people looked at the universe? • He believed in a heliocentric, or suncentered, universe. Why did Copernicus have to keep his work a secret for most of his life? • He realized his ideas would cause conflict with the Church. He faced possible arrest or excommunication. How did Kepler change Copernicus's theory? • Kepler showed that the planets moved in ellipses. How did Galileo discover more about the universe? • Galileo built an improved telescope. Galileo's Telescope Galileo and the Church Why do you think the Church would want to punish Galileo? The Church and the Heliocentric Universe • Scientists began to question the teachings of the Roman Catholic Church. • A conflict between scientific thought and religious beliefs arose. • The Church did not want its authority questioned. Galileo was Punished • Galileo was renounced and put under house arrest. • Scientists who agreed with Galileo and Copernicus could face excommunication. What is the purpose of the scientific method? The Scientific Method Why is Isaac Newton significant? • He discovered that white light can be broken into the spectrum. • He invented the form of math known as calculus. • He developed the law of gravity. Newton In what ways do the think the Age of Exploration affected, or led to, the Scientific Revolution?